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-   -   Hesitation while acceleration (https://www.ford-trucks.com/forums/1395935-hesitation-while-acceleration.html)

prem Ajay 09-03-2015 12:14 PM
Hesitation while acceleration
 
hello guys

I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.

any ideas what is going on.

Plz some suggestions .

enriched&beyound 09-07-2015 07:15 AM
Originally Posted by prem Ajay (Post 15616264)
hello guys

I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.

any ideas what is going on.

Plz some suggestions .
Start simple....If they haven't been replaced yet...replace the air filter and fuel filter.
Did you accidentally have a the emergency brake partially on?
How many miles are on this truck? might be time for new spark plugs


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